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A. J. TYLER.

PUMP.

Nefseeoaa. Peeeeeed Dee. 4, 1888.

mangi# ATTORNEY,

N. Firms, Pnecmumegnpher. Wamego". n. c

2 Sheets-Sheet 2.

(N0 Model.)

A' J- TYLER.

lUMP.

Patented /lv vE/von.

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Ny PETERS. PlwwLnhngnpMr, washnnw. D, C.

UNITED STATES PATENT OFFICE.

AAROlY J. TYLER, OF ALBION, NET YORK.

PUMP.

SPECIFICATION forming part of Letters Patent No. 394,088, dated December 4, 1888.

'had therein to the accompanying drawings,

in which- Figure l represents a side elevation of my improved pump complete; Fig. 2, a plan view, enlarged, of the base of the pump; Figs. 3, 4, 5, and 6, Sheet l, views of the valved plunger; Figs. 7 and 8, Sheet l, detail views of the valves in the plunger; Fig. 9, a vertical sectional view of the upper portion of the pump, taken on the line c of Fig. 2, showing the method of constructing the base and connecting the parts together; Fig. 10, a detail plan view of the coupling for the pump-cylinder and supply -pipe; Fig. ll, a vertical sectional view of the pump-cylinder and its attachments; and Fig. l2, a detail sectional View of the base detached, this view being taken on the line :r w of Fig. 2.

The nature and objects of this invention will be fully understood and appreciated from the following description, when taken in connection with the annexed drawings.

The invention consists in certain novel features of construction that will be particularly pointed out in the claims appended.

Referring to the drawings by letter, A designates the circular base-plate adapted to rest upon the platform of the well or cistern, this base-plate being cast hollow, as shown, and provided with a central raised portion, a, which is in turn provided on its upper side with a circular flange, h, the inner surface of which is preferably slightly outwardly beveled. Formed integral with the said base A and supported centrally in the central opening in the same is a short tubular section or coupling, B, which is provided at both ends with internal threads for the attachment of the respective ends of the supplypipe. This tubular section B is supported centrally within the opening in the base by means of a portion or diaphragm, c, and vertical arms or braces d, the parts being all preferably cast in a single piece, as shown.

Serial No. 273,889. (No model.)

Formed through this tubular section B are one or more lateral openings, c, located above the diaphragm c.

Screwed into the upper end of the central tubular section, B, is the upper section of the supply-pipe C, and screwed to the upper end of this supply-pipe is the watenchamber D, provided with alateral discharge-spout, E, and an air-chamber, F, on its upper end, this air-chamber being formed integral with it, or formed separate and attached thereto, as may be desired. The lower en d of the water-chainber is preferably provided with a tubular extension, f, which is provided with internal screw-threads for the reception of the external screw-threads on the upper end of supply-pipe C, as shown in Fig. 9.

Surrounding the central supply-pipe, C, and secured between the bottoni of the waterchamber D and base A, is a protecting-j acket, G, the lower end of which is adapted to t snugly within the circular liange b on the base, and its upper end surrounds and braces the lower end of the said water-chamber. At its upper end the jacket G is provided with an internal shoulder, g, which abnts against the lower end of water-chamber when the jacket is secured in place. Packing-rings h h may or may not be placed between the lower end of jacket and the base and the lower end of water-chamber and the shoulder g, as the eXigencies of the case may require. As thus constructed, it will be observed that I do not employ anybolts or screws whatever to secure the parts together, the mere act of screwing the parts B C D together serving to i securely bind the jacket in place. By providing the central tubular section, B, with the lateral apertures e e the jacket is utilized as an air-chamber, the water, as is evident, being allowed to pass through these openings up into the jackets, compressing the confined air therein, thereby assisting in obtaining a full and continuous stream of water at the spout.

I do not wish to confine myself to forming the openings e c and utilizing the jacket as an air-chamber, as I sometimes close these openings and employ the jacket simply to form a deadair chamber to protect the supplypipe IOO - end of the chamber H and the connection lI is an ordinary hinged leather check-valve, J, adapted to close on its seat j, formed integral with the said connection. Bolted in the hanged inlet of this section I is the upper end of the pump-cylinder K, a packing-ring, k, being interposed between the end of the cylinder and the section to insure a water-tight joint. The securing-bolts Z are passed through perforated ears Z', formed on the connection and the cylinder, as shown in Fig. l.

Passing through a suitable oil-cup and stuiting-box in the connection I is the plungerrod L, which is operated by a handle, M, fulcrumed upon the top of the air-chamber F, and is provided with a piston or plunger, N, which fits closely the bore of the cylinder and works vertically therein. This plunger N consists of a short cylindrical portion, N', adapted to t the pump-cylinder, this portion N' being provided with an internal contracted portion, N", near its upper end, this portion N" being beveled to form a raised valve-seat, m, in the center of the piston. The interior surface of the cylindrical portion N' above the contraction N is slightly concaved or rounded out, the upper end of this portion terminating in a comparatively thin edge. The eX- terior of the valve-seat m is provided with screw-threads for the reception of the threads on the interior of the ring m' ofthe basket or yoke m, screwed to the piston-rod. The eX- terior of this ring m' is slightly tapered and rounded or conveXed, and between it and the concave interior wall of the portion N' is clamped the packing-ring 771', the mere act of screwing the parts together serving to bend it into proper shape to fit the rounded surfaces between which it is clamped. By thus clamping the piston-packing between rounded surfaces it will be entirely free of wrinkles and creases and be properly lianged, so as to it the cylinder closely until its projecting portion wears almost entirely away.

The letter O designates a valve in the piston which is adapted to close upon the seat m in the same, this valve being guided in its vertical movements by means of a pin, n, formed on or secured to the lower end of the piston-rod, the pin n projecting into a tubuis provided with external screw-threads for the attachment ot' the chamber P, the latter being provided with similar internal threads. Clamped between the lower end of the cylinder and an internal shoulder, p, formed on the chamber P is an ordinary hinged leatherl check-valve, Q, which is adapted to close upon the removable non-corrosive metal seat R, clamped between the leather of the checkvalve and another internal shoulder, s, formed on the chamber P. The screwing of the cylinder into the chamberP serves to secure the valve and valve-seat R in place, the outer edge ot' the latter being preferably slightly beveled to insure a close joint and to permit ot' its easy removal.

It will be perceived by reference to Fig. ll that the leather ring of the check-valve Q rests upon the upper shoulder p, and is clamped down tightly over the joint between the outer edge otl the valve-seat R and the shoulder p, thus effectually preventing leakage at this point. l

Formed on the lower side of the valve-seat R is a short tube, S, which depends from the seat to near the lower inlet-opening -in the chamber P, as shown in Fig. 11. The tube S forms a vacuum-chamber of the chamber P and insures a continuous and steady iow of water through the pump. The operation of this vacuum-chamber during the operation of pumping is as follows: After the pump is once started the supply-pipe (not shown) attached to the chamber P, the tube S, and chamber P all stand full of water, the air having been exhausted by* the operation of the plunger, and the water having rushed in to fill the vacuum caused thereby. As the plunger is lifted, the water will be drawn out of the chamber P, up through the tube S, and pass the check-valve, thus creating a vacuum in all that portion of the chamber P above the lower end of the tube S. Now as the -stroke of the plunger is reversed the iow of water up through the supply-pipe below the lower check-valve will not be stopped, as in the pumps now in use, but will continue during the said downward stroke of the plunger, the water owing into the chamber P by reason of the vacuum caused by the upstroke of the plunger. By thus locating the vacuum-chamber below the lower check-valve it is obvious that a more continuous and steady flow of water at the spout is obtained. At the same time the movements of the plunger and its operating-rod are rendered more even and steady.

Another feature of this pump of paramount importance consists in providing the lower end of a pump-cylinder with a laterally-enlarged valve-chamber, K', in which Works the lower check-valve, Q, the object in providing this chamber being to permit of the employment of a large valve and the consequent increase in the capacity of the pump Without increasing the size of the cylinder proper and plunger. By the use of this chamber K' it IOO will be observed that the water will more readily flow into the cylinder on the upstroke of the plunger, thus not only avoiding the undesirable sudden arresting of the plunger on its upstroke, (a feature common to all the lift-pumps now in use,) but also enabling the plunger to be operated faster and with less wear and strain upon the parts. It will also be observed that by the employment of the laterally-enlarged valve-chamber K the ow of Water into the cylinder will be amply sufficient to fill the vacuum caused by the upstroke of the plunger, however fast the upstroke may be.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

l. The combination of the water-chamber internally screw-threaded at its lower end, a base provided with a circular ange, ZJ, a central tubular section, B, formed integral with the said base centrally within the central opening in the same and provided with internal threads at its upper end, a section of supply-pipe, C, externally screw-threaded at both ends, this pipe U connecting` the said water-chamber with the said tubular section B, and the jacket G, clamped between the watenchamber and base, the lower end of the jacket fitting within the said flange b on the base, and its upper end being provided with an internal flange, g, which abuts against the lower end of the said water-chamber, substantially as described.

2. The combination ol the base A, provided with a central opening, the section B, east integral with the said base centrally within its opening, the supply-pipe C, the water-chamber, and the jacket G, clamped between the said water-chamber and base by the supply-pipe, the said tubular section B being provided with lateral openings @,which communicate with the interior of the said jacket, thereby converting the jacket into an air-chamber, substantially as described.

The combination of the supply-pipe C, the valve-chamber Il, screwed to its lower end, the coupling-section I, the bolts z' for securing this section to the said valve-chamber,

the interposed valve J, the cylinder K, secured in the flanged inlet of the section I, and the securing-bolts Z, passing through ears formed on the cylinder a-nd said sect-ion I, substantially as described.

et. The combination of the pump-cylinder K, provided at its lower end with a laterallyenlarged valve-chamber, K, this chamber being screw-threaded externally, a chamber, P, screwed upon the said enlargement K, this chamber being provided with internal annular shoulders, p and .9, a leather check-valve clamped between the lower end of the enlargement K and t-he upper shoulder, p, a valveseat, R, clamped between the said leather valve and the lower shoulder, s, the leather of the said check-valve extending over the joint between the valve-seat R and the upper shoulder, p, and a depending-tube, S, all arranged substantially as herein set forth.

5. The combination of thc cylinder K, a chamber, P, removably attached to the lower end of this cylinder, this chamber being provided with internal shoulders, a valve-seat, R, resting on the lower one of these internal shoulders, and a leather check-valve clamped between the lower end of the said cylinder K and the valve-seat R and upper shoulder of the chamber P, the leather of this valve being clamped down tightly over the joint be tween the valve-seat and shoulder on the chamber P, substantially as set forth.

6. The combination of a base provided with a central opening, a tubular section, B, supported within the central opening in the base, a water-chamber provided with a depending' supply-pipe, the lower end of this supply-pipe being tapped into the central section, B, and a removable chamber or jacket, G, surrounding the said supply -pipe and clamped between the water chamber and base, substantially as set forth.

In testimony whereof I affix mysignature in presence of two witnesses.

AARON J. TYLER.

Vitnesses:

CHAs. D. DAVIS, CHAs. D. Josr. 

